Obsidian Entertainment
Alpha Protocol

At a glance
Genres
- action role-playing game
- role-playing video game
- shooter game*
- stealth game*
Play modes
- single-player video game
Game facts
Developers
- Obsidian Entertainment
Publishers
- SEGA*
Engines
- Unreal Engine 3
Platforms
Players by platform
- Microsoft Windows*
- Maximum players (mode unspecified)
- 1*
Content classifications
- ESRB · Microsoft Windows*
- Classification
- M - Mature*
Compatibility and community reports
- Steam Deck · 2026-06-27*
- Compatibility category
- Playable*
- Linux · Community reports · 2026-06-27*
- Community Linux compatibility tier
- Gold*
- Reports
- 45*
- Community confidence
- strong*
System requirements
- Windows · Minimum*
- Operating system
- Windows 10*
- Processor alternatives
- 2.4+ GHZ Intel® or 2.0+ GHZ AMD™*
- Memory
- 2 GB RAM*
- Graphics alternatives
- NVIDIA® GeForce 6 series (6800GT or better,) ATI™ 1300XT series or greater (X1550, X1600 Pro and HD2400 are below minimum system requirements)*
- Graphics API
- Version 9.0c*
- Storage
- 12 GB available space*
- Windows · Recommended*
- Graphics alternatives
- NVIDIA® GeForce 6 series (6800GT or better,) ATI™ 1300XT series or greater (X1550, X1600 Pro and HD2400 are below minimum system requirements)*
- Processor alternatives
- 2.4+ GHZ Intel® or 2.0+ GHZ AMD™*
- Memory
- 2 GB*
- Windows · Recommended memory · 2026-06-27*
- Memory
- 2 GB*
Steam version platforms
- Windows*
- Supported
- Yes*
- Linux*
- Supported
- No*
- macOS*
- Supported
- No*
Interface languages
- English*
- French*
- German*
- Italian*
- Spanish - Spain*
- Czech*
- Polish*
- Russian*
Game features
- Single-player*
- Family Sharing*
Store genres
- Action*
- RPG*
Screenshots



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* Provisional data